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C语言数据类型与表达式习题|
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z=!(x!=y)？什么意思？收藏
z=!(x!=y)这个我看不懂~我不知道怎么看，X非等于Y，然后Z等于非什么，为什么两个叹号位置不一样？我不是很清楚，希望高手的指点一二。
快试试吧，可以对自己使用挽尊卡咯~◆◆
z=&....&相当于给z赋值，&赋的什么值得就是把&=&右边的表达式的值赋给Z
右边的表达式是&!(x!=y)&由于有括弧，&所以先计算括弧里的x!=y&返回一个&布尔值&然后再对这个&值取反，&最后把它赋给Z
步骤相当于：
bool&&a&=&(x!=y);
bool&&b&=&!a;
z&=&b;
快试试吧，可以对自己使用挽尊卡咯~◆◆
先判断X是否等于Y
if(x==y)&return&1;z!=1;
else&return&0;z!=0;
和下面等价
if(x==y)&z=1;
else&z=0;
等价於
x!=y?z=true:z=
或者是
x==y?z=true:z=
首先x!=y，判别x、y是否不等，不等为1，等为0.然后z=!(），就是括号里取反。
z=!(x!=y)&等于&&z=(x==y)
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